:root {
  --bg: #0b0d10;
  --surface: #11151b;
  --surface-2: #171d25;
  --text: #f5f7fa;
  --muted: #a8b0bc;
  --line: rgba(255,255,255,.1);
  --accent: #d9ff4a;
  --accent-2: #8fffca;
  --white: #ffffff;
  --dark-text: #16191f;
  --radius: 22px;
  --shadow: 0 24px 80px rgba(0,0,0,.25);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; background: var(--bg); color: var(--text); line-height: 1.65; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.container { width: min(1120px, calc(100% - 32px)); margin: 0 auto; }
.narrow { width: min(820px, calc(100% - 32px)); }
.site-header { position: sticky; top: 0; z-index: 50; background: rgba(11,13,16,.82); backdrop-filter: blur(14px); border-bottom: 1px solid var(--line); }
.nav-wrap { display: flex; align-items: center; justify-content: space-between; min-height: 76px; }
.brand { display: flex; align-items: center; gap: 12px; font-weight: 900; letter-spacing: .08em; text-transform: uppercase; }
.brand img { height: 42px; width: auto; }
.main-nav { display: flex; align-items: center; gap: 22px; color: var(--muted); font-size: 14px; }
.main-nav a:hover { color: var(--text); }
.nav-cta { color: var(--dark-text) !important; background: var(--accent); padding: 10px 16px; border-radius: 999px; font-weight: 800; }
.menu-toggle { display: none; background: transparent; color: var(--text); border: 1px solid var(--line); border-radius: 12px; padding: 8px 12px; font-size: 20px; }
.home-hero, .page-hero { position: relative; overflow: hidden; padding: 96px 0; background: radial-gradient(circle at top right, rgba(217,255,74,.18), transparent 36%), radial-gradient(circle at 12% 12%, rgba(143,255,202,.12), transparent 32%); }
.page-hero.compact { padding: 72px 0; }
.hero-split { display: grid; grid-template-columns: 1.1fr .9fr; gap: 56px; align-items: center; }
.eyebrow { display: inline-flex; color: var(--accent); font-size: 13px; font-weight: 900; letter-spacing: .14em; text-transform: uppercase; margin-bottom: 14px; }
h1, h2, h3 { line-height: 1.08; margin: 0 0 16px; }
h1 { font-size: clamp(42px, 7vw, 82px); letter-spacing: -.06em; }
h2 { font-size: clamp(30px, 4vw, 48px); letter-spacing: -.04em; }
h3 { font-size: 24px; letter-spacing: -.03em; }
p { margin: 0 0 18px; color: var(--muted); }
.hero-copy p, .page-hero p { font-size: 19px; max-width: 680px; }
.button-row { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; }
.btn { display: inline-flex; align-items: center; justify-content: center; border-radius: 999px; padding: 13px 20px; font-weight: 900; border: 1px solid var(--line); cursor: pointer; min-height: 46px; }
.btn-primary { background: var(--accent); color: var(--dark-text); border-color: var(--accent); }
.btn-outline { color: var(--text); border-color: rgba(255,255,255,.22); }
.btn-light { background: var(--white); color: var(--dark-text); }
.btn-outline-light { color: var(--white); border-color: rgba(255,255,255,.35); }
.hero-visual { min-height: 420px; border-radius: 36px; background: linear-gradient(145deg, var(--surface), var(--surface-2)); border: 1px solid var(--line); box-shadow: var(--shadow); display: grid; place-items: center; overflow: hidden; }
.hero-visual img { width: 100%; height: 100%; object-fit: cover; }
.placeholder-product { width: 74%; aspect-ratio: 2/3; border-radius: 34px; display: grid; place-items: center; font-size: 44px; font-weight: 1000; letter-spacing: .16em; background: linear-gradient(180deg, #252d38, #11151b); border: 1px solid rgba(255,255,255,.14); color: var(--accent); }
.hero-card, .info-card, .product-card, .article-card, .contact-card, .banner-card, .cta-box { border: 1px solid var(--line); background: rgba(255,255,255,.045); border-radius: var(--radius); padding: 28px; box-shadow: var(--shadow); }
.hero-card ul { margin: 0 0 18px; padding-left: 20px; color: var(--muted); }
.section { padding: 78px 0; }
.section.alt { background: #f3f5f7; color: var(--dark-text); }
.section.alt p { color: #56606d; }
.section-head { margin-bottom: 30px; }
.section-head p { max-width: 720px; }
.cards-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.info-card a, .read-more { color: var(--accent); font-weight: 900; }
.product-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.product-card { background: #fff; color: var(--dark-text); }
.product-card p { color: #56606d; }
.product-card img { height: 230px; width: 100%; object-fit: cover; border-radius: 16px; margin-bottom: 18px; background: #eef1f4; }
.product-card strong { display: inline-flex; margin-top: 8px; color: #0b0d10; }
.article-grid { display: grid; gap: 24px; }
.article-grid.three { grid-template-columns: repeat(3, 1fr); }
.article-card { display: grid; gap: 18px; padding: 0; overflow: hidden; }
.article-card img { width: 100%; height: 220px; object-fit: cover; background: var(--surface-2); }
.article-card div { padding: 24px; }
.article-card h2, .article-card h3 { font-size: 24px; }
.tag { display: inline-flex; padding: 6px 10px; border-radius: 999px; background: rgba(217,255,74,.1); color: var(--accent); font-size: 12px; font-weight: 900; margin-bottom: 14px; }
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.steps div { border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; background: rgba(255,255,255,.045); }
.steps span { display: grid; place-items: center; width: 42px; height: 42px; border-radius: 50%; background: var(--accent); color: var(--dark-text); font-weight: 1000; margin-bottom: 18px; }
.public-form { display: grid; gap: 16px; background: var(--white); color: var(--dark-text); padding: 28px; border-radius: var(--radius); box-shadow: var(--shadow); }
.public-form label { font-weight: 800; }
.public-form input, .public-form textarea, .public-form select { width: 100%; border: 1px solid #dbe0e6; border-radius: 14px; padding: 13px 14px; font: inherit; color: var(--dark-text); }
.form-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.article-detail h1 { font-size: clamp(36px, 5vw, 62px); }
.hero-image { width: 100%; max-height: 520px; object-fit: cover; border-radius: 26px; margin: 26px 0; }
.content-body { font-size: 18px; }
.content-body p { color: #d3d8df; margin-bottom: 22px; }
.article-detail .content-body p, .narrow .content-body p { color: var(--muted); }
.cta-box { margin-top: 36px; background: linear-gradient(135deg, rgba(217,255,74,.16), rgba(143,255,202,.08)); }
.faq-list { display: grid; gap: 14px; }
details { border: 1px solid var(--line); border-radius: 18px; padding: 18px 20px; background: rgba(255,255,255,.045); }
summary { cursor: pointer; font-weight: 900; }
.contact-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.banner-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.banner-card { padding: 0; overflow: hidden; }
.banner-card img { height: 180px; width: 100%; object-fit: cover; }
.banner-card div { padding: 22px; }
.cta-dark { background: linear-gradient(135deg, #161b22, #050607); }
.cta-inner { text-align: center; display: grid; justify-items: center; }
.flash { margin-top: 18px; padding: 14px 18px; border-radius: 14px; }
.flash-success { background: rgba(217,255,74,.14); color: var(--accent); border: 1px solid rgba(217,255,74,.35); }
.flash-error { background: rgba(255,82,82,.13); color: #ffb3b3; border: 1px solid rgba(255,82,82,.35); }
.site-footer { border-top: 1px solid var(--line); padding: 54px 0 24px; background: #08090b; }
.footer-grid { display: grid; grid-template-columns: 1.4fr .8fr 1fr; gap: 32px; }
.site-footer a { display: block; color: var(--muted); margin-bottom: 8px; }
.footer-bottom { color: var(--muted); border-top: 1px solid var(--line); margin-top: 32px; padding-top: 20px; font-size: 14px; }
.muted { color: var(--muted); }
@media (max-width: 900px) {
  .menu-toggle { display: inline-flex; }
  .main-nav { display: none; position: absolute; top: 76px; left: 0; right: 0; flex-direction: column; align-items: stretch; padding: 20px; background: #0b0d10; border-bottom: 1px solid var(--line); }
  .main-nav.open { display: flex; }
  .hero-split, .cards-2, .product-grid, .article-grid.three, .steps, .contact-grid, .banner-grid, .footer-grid { grid-template-columns: 1fr; }
  .hero-visual { min-height: 300px; }
  .form-grid { grid-template-columns: 1fr; }
  .home-hero, .page-hero { padding: 64px 0; }
  .section { padding: 56px 0; }
}